ANTH-A 107 Lecture Notes - Lecture 11: Oldowan, Medieval Commune, Ion
Document Summary
Requires more energy, want to give birth to a mature offspring because they have a good chance of being able to survive. Physical adaptation- smaller teeth, smaller guts (fewer calories, invested into brain. ) Socio-cultural strategies- communication, planning, sharing, altruism, memory and learning, problem-solving. Oldowan site suggests: carrying artifacts from different places (tools). Also cutting meat off of bones and bashing for marrow. New bodies, and visiting new lands compared to earlier hominins, new strategies for survival. Age estimate is 1. 5 million years old. Bones of different animals found, many chewed. Found oldowan tools, stone cut tooth, wedged. Brain ranges 550-750 cc (h. habilius- bigger skulls) Big and little, suggested sexual dimorphism for mating competition, males were bigger, similar male and female chimps. Went from small pounding and cutting tools to bigger tools. Went from oldowan to acheulian tools (hand axe, large cutting tools) Oldest hand axe found in east africa 1. 8 million years ago.
